[ 10.604327][ T182] ip (182) used greatest stack depth: 23992 bytes left [ 10.604346][ T182] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.604348][ T182] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 182, name: ip [ 10.604349][ T182] preempt_count: 2, expected: 0 [ 10.604352][ T182] RCU nest depth: 0, expected: 0 [ 10.604353][ T182] locks held by ip/182: 5, last CPU#2: [ 10.604356][ T182] #0: ffffffffab002f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 10.604368][ T182] #1: ffffffffab16a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.604373][ T182] #2: ffffffffab16a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.604376][ T182] #3: ffffffffab089de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.604380][ T182] #4: ffffffffab089ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.604383][ T182] irq event stamp: 24644 [ 10.604384][ T182] hardirqs last enabled at (24643): [] __down_trylock_console_sem+0x86/0xa0 [ 10.604387][ T182] hardirqs last disabled at (24644): [] console_emit_next_record+0x3d4/0x4c0 [ 10.604389][ T182] softirqs last enabled at (23552): [] handle_softirqs+0x67c/0x900 [ 10.604391][ T182] softirqs last disabled at (22983): [] __irq_exit_rcu+0x145/0x1c0 [ 10.604394][ T182] Preemption disabled at: [ 10.604395][ T182] [<0000000000000000>] 0x0 [ 10.604402][ T182] CPU: 2 UID: 0 PID: 182 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.604405][ T182] Tainted: [W]=WARN [ 10.604406][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.604408][ T182] Call Trace: [ 10.604410][ T182] [ 10.604411][ T182] dump_stack_lvl+0x6f/0xa0 [ 10.604417][ T182] __might_resched.cold+0x1fe/0x2c1 [ 10.604422][ T182] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.604425][ T182] ? __kmalloc_noprof+0xdb/0x760 [ 10.604430][ T182] __kmalloc_noprof+0x443/0x760 [ 10.604433][ T182] ? alloc_buf.isra.0+0x4b/0x260 [ 10.604439][ T182] ? do_raw_spin_unlock+0x59/0x250 [ 10.604442][ T182] alloc_buf.isra.0+0x4b/0x260 [ 10.604445][ T182] put_chars+0x1e1/0x2f0 [ 10.604448][ T182] ? __send_to_port+0x420/0x420 [ 10.604455][ T182] hvc_console_print+0x292/0x780 [ 10.604462][ T182] ? hvc_write+0x3a0/0x3a0 [ 10.604465][ T182] ? lock_acquire+0x13c/0x160 [ 10.604469][ T182] console_emit_next_record+0x22f/0x4c0 [ 10.604473][ T182] ? devkmsg_read+0x4b0/0x4b0 [ 10.604474][ T182] ? console_flush_one_record+0x106/0x710 [ 10.604477][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.604480][ T182] ? lock_acquire+0x13c/0x160 [ 10.604484][ T182] console_flush_one_record+0x46f/0x710 [ 10.604488][ T182] ? console_emit_next_record+0x4c0/0x4c0 [ 10.604489][ T182] ? __lock_acquire+0x518/0xc20 [ 10.604495][ T182] console_unlock+0xee/0x1f0 [ 10.604497][ T182] ? console_flush_one_record+0x710/0x710 [ 10.604498][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.604500][ T182] ? lock_acquire+0x60/0x160 [ 10.604504][ T182] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.604506][ T182] ? vprintk_emit+0x320/0x3e0 [ 10.604509][ T182] vprintk_emit+0x37c/0x3e0 [ 10.604512][ T182] ? wake_up_klogd_work_func+0x90/0x90 [ 10.604515][ T182] ? __lock_acquire+0x518/0xc20 [ 10.604520][ T182] _printk+0xc7/0x100 [ 10.604524][ T182] ? snapshot_read.cold+0x21/0x21 [ 10.604527][ T182] ? do_raw_spin_lock+0x131/0x280 [ 10.604530][ T182] ? __rwlock_init+0x150/0x150 [ 10.604534][ T182] ? do_raw_spin_lock+0x131/0x280 [ 10.604537][ T182] do_exit.cold+0x82/0x9c [ 10.604541][ T182] ? exit_notify+0x890/0x890 [ 10.604542][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 10.604545][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.604549][ T182] do_group_exit+0xb8/0x370 [ 10.604552][ T182] __x64_sys_exit_group+0x3c/0x50 [ 10.604554][ T182] x64_sys_call+0x1567/0x1570 [ 10.604557][ T182] do_syscall_64+0x10e/0x570 [ 10.604561][ T182] ? exc_page_fault+0xee/0x100 [ 10.604564][ T182] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.604566][ T182] RIP: 0033:0x7f916176b1b8 [ 10.604569][ T182] Code: Unable to access opcode bytes at 0x7f916176b18e. [ 10.604570][ T182] RSP: 002b:00007fff5e0d03d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.604572][ T182] RAX: ffffffffffffffda RBX: 00007f916189bf88 RCX: 00007f916176b1b8 [ 10.604574][ T182] RDX: 00007f91614b5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.604575][ T182] RBP: 00007fff5e0d0430 R08: 0000000000000000 R09: 0000000000000050 [ 10.604575][ T182] R10: 00007fff5e0d01f0 R11: 0000000000000246 R12: 0000000000000001 [ 10.604576][ T182] R13: 0000000000000000 R14: 00007f916189a680 R15: 00007f916189bfa0 [ 10.604583][ T182]